External not always more expensive. It's also much less disruptive to you living in your house.
At some point I'll need to internally insulate the side wall as I don't own the land on the other side, but it'll be a massive pain (it's the wall with kitchen, bathroom and stairs up against it).
External not always more expensive. It's also much less disruptive to you living in your house.
At some point I'll need to internally insulate the side wall as I don't own the land on the other side, but it'll be a massive pain (it's the wall with kitchen, bathroom and stairs up against it).